/* 猫脚本 / catbash.net — shared design system */
:root {
  --bg: oklch(16% 0.012 75);
  --bg-elev: oklch(20% 0.014 70);
  --bg-panel: oklch(22% 0.016 68);
  --bg-deep: oklch(13% 0.01 80);
  --line: oklch(32% 0.02 70);
  --line-soft: oklch(28% 0.015 70 / 0.7);
  --ink: oklch(94% 0.012 85);
  --ink-soft: oklch(78% 0.02 80);
  --muted: oklch(58% 0.02 75);
  --amber: oklch(78% 0.14 70);
  --amber-dim: oklch(62% 0.12 65);
  --brass: oklch(72% 0.09 75);
  --mint: oklch(72% 0.12 155);
  --mint-dim: oklch(55% 0.1 155);
  --sky: oklch(76% 0.07 220);
  --glow-amber: 0 0 32px oklch(70% 0.14 70 / 0.14);
  --shadow-lg: 0 24px 48px -28px oklch(0% 0 0 / 0.6), 0 0 0 1px var(--line-soft);
  --radius: 12px;
  --radius-sm: 9px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-mono: "Azeret Mono", ui-monospace, monospace;
  --pad-x: clamp(1rem, 3.5vw, 2.5rem);
  --max: min(92vw, 1100px);
  --max-wide: min(92vw, 1100px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-mono);
  font-size: clamp(13.5px, 0.35vw + 12.5px, 15px);
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(920px 520px at 10% -6%, oklch(55% 0.1 70 / 0.1), transparent 58%),
    radial-gradient(720px 460px at 94% 10%, oklch(40% 0.04 155 / 0.07), transparent 55%),
    linear-gradient(180deg, var(--bg-deep), var(--bg) 45%, oklch(15% 0.012 70));
}

a { color: var(--amber); text-decoration: none; transition: color .15s; }
a:hover { color: var(--brass); }

.wrap {
  width: min(100% - 2 * var(--pad-x), var(--max));
  margin-inline: auto;
}
.wrap.wide { --max: var(--max-wide); }

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px) saturate(1.15);
  background: oklch(16% 0.012 75 / 0.82);
  border-bottom: 1px solid var(--line-soft);
}
.nav-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 54px;
  gap: 1rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.brand:hover { color: var(--ink); }
.brand .cat {
  display: none;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.76rem;
}
.nav-links a { color: var(--ink-soft); }
.nav-links a:hover,
.nav-links a.active { color: var(--amber); }
.gh-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  color: var(--ink-soft);
  border: 1px solid transparent;
  transition: color .15s, border-color .15s, background .15s;
}
.gh-icon:hover {
  color: var(--ink);
  background: var(--bg-elev);
  border-color: var(--line-soft);
}
.gh-icon svg { width: 18px; height: 18px; display: block; }
.lang {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.28rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: .15s;
}
.lang:hover { border-color: var(--amber-dim); color: var(--amber); }
@media (max-width: 720px) {
  .nav-links a.nav-hide-sm { display: none; }
}

/* Hero */
.hero {
  padding: clamp(2rem, 5vw, 3.25rem) 0 clamp(1.75rem, 3.5vw, 2.5rem);
}
.hero.grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.95fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
}
@media (max-width: 900px) {
  .hero.grid { grid-template-columns: 1fr; }
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 0.85rem;
}
.kicker::before {
  content: "";
  width: 1.25rem;
  height: 2px;
  background: var(--amber);
  border-radius: 2px;
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.55rem, 1.15rem + 1.4vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -0.035em;
  color: var(--ink);
  margin-bottom: 0.9rem;
}
h1 .mark {
  color: var(--amber);
  text-shadow: var(--glow-amber);
}
.lede {
  font-size: 0.92rem;
  color: var(--ink-soft);
  max-width: 52ch;
  margin-bottom: 1.15rem;
  line-height: 1.7;
}
.lede strong { color: var(--ink); font-weight: 600; }

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}
.pill {
  font-size: 0.7rem;
  padding: 0.3rem 0.7rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--bg-elev);
  color: var(--ink-soft);
}
.pill b { color: var(--mint); font-weight: 600; }

/* Command panel */
.cmd-panel {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.cmd-panel::before {
  content: "";
  display: block;
  height: 2px;
  background: linear-gradient(90deg, var(--amber), var(--mint-dim), transparent 72%);
}
.cmd-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  background: oklch(18% 0.012 70);
}
.cmd-head .label {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}
.cmd-body {
  padding: 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}
.cmd-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-deep);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  min-width: 0;
}
.cmd-row .prompt { color: var(--amber); user-select: none; flex-shrink: 0; }
.cmd-row code {
  flex: 1;
  min-width: 0;
  font-size: 0.74rem;
  color: var(--ink);
  white-space: nowrap;
  overflow-x: auto;
}
.copy {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 0.3rem 0.55rem;
  border-radius: 5px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition: .15s;
}
.copy:hover { color: var(--amber); border-color: var(--amber-dim); }
.copy.ok { color: var(--mint); border-color: var(--mint-dim); }
.cmd-hint {
  font-size: 0.68rem;
  color: var(--muted);
  line-height: 1.5;
}
.cmd-hint code { color: var(--sky); font-size: 0.68rem; }

/* Sections */
section { padding: clamp(1.5rem, 3vw, 2.25rem) 0; }
section.rule,
section + section { border-top: 1px solid var(--line-soft); }

h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 1rem;
}
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
}

/* Product cards (hub) */
.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}
@media (max-width: 720px) {
  .product-grid { grid-template-columns: 1fr; }
}
.product-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding: 1.25rem 1.3rem;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  transition: border-color .15s, transform .15s;
  color: inherit;
}
.product-card:hover {
  border-color: oklch(50% 0.08 70 / 0.7);
  transform: translateY(-2px);
  color: inherit;
}
.product-card .tag {
  font-size: 0.65rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--amber-dim);
}
.product-card h3 {
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}
.product-card h3 span { color: var(--amber); }
.product-card p {
  font-size: 0.82rem;
  color: var(--ink-soft);
  line-height: 1.55;
  flex: 1;
}
.product-card .go {
  font-size: 0.75rem;
  color: var(--mint);
  font-weight: 600;
}
.product-card .mini-cmd {
  font-size: 0.68rem;
  color: var(--sky);
  background: var(--bg-deep);
  border: 1px solid var(--line-soft);
  border-radius: 6px;
  padding: 0.45rem 0.6rem;
  overflow-x: auto;
  white-space: nowrap;
}

/* Report map */
.report-map {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}
@media (max-width: 1000px) { .report-map { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 420px) { .report-map { grid-template-columns: 1fr; } }
.rm-item {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.8rem 0.9rem;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: 8px;
}
.rm-item strong {
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.88rem;
  color: var(--brass);
}
.rm-item span {
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Terminal */
.term {
  background: var(--bg-deep);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), inset 0 1px 0 oklch(100% 0 0 / 0.03);
  overflow: hidden;
}
.term-bar {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 0.9rem;
  background: oklch(18% 0.012 70);
  border-bottom: 1px solid var(--line-soft);
}
.dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.dot.r { background: #e06c6c; }
.dot.y { background: #e0a84e; }
.dot.g { background: #6fbf8a; }
.term-title {
  margin-left: 0.35rem;
  font-size: 0.68rem;
  color: var(--muted);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.term-body {
  padding: 1rem 1.1rem 1.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.term-body pre {
  margin: 0;
  font-family: "Sarasa Term SC", "Sarasa Mono SC", "Noto Sans Mono CJK SC",
    "Source Han Mono SC", "WenQuanYi Zen Hei Mono", "Cascadia Mono",
    "JetBrains Mono", var(--font-mono), ui-monospace, monospace;
  font-size: clamp(11px, 0.15vw + 10.5px, 13px);
  line-height: 1.45;
  white-space: pre;
  color: var(--ink-soft);
  tab-size: 4;
  letter-spacing: 0;
  word-spacing: 0;
  font-variant-ligatures: none;
}
.term-body pre span {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
  letter-spacing: inherit;
}
.c-frame { color: oklch(78% 0.14 95); }
.c-title { color: oklch(96% 0.01 90); font-weight: 600; }
.c-bar   { color: oklch(72% 0.08 210); }
.c-key   { color: oklch(70% 0.02 80); }
.c-val   { color: oklch(88% 0.04 200); }
.c-dev   { color: oklch(78% 0.1 210); }
.c-ok    { color: oklch(74% 0.14 150); font-weight: 600; }
.c-warn  { color: oklch(80% 0.14 75); }
.c-info  { color: oklch(72% 0.08 230); }
.c-num   { color: oklch(82% 0.1 70); }
.c-dim   { color: oklch(48% 0.02 75); }
.c-good  { color: oklch(74% 0.14 150); }
.c-up    { color: oklch(74% 0.14 150); }
.c-down  { color: oklch(55% 0.04 75); }
.c-done  { color: oklch(74% 0.14 150); font-weight: 600; }
.c-prompt-u { color: var(--amber); }
.c-prompt-p { color: var(--sky); }

/* Tables */
.opts, .data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sm);
  overflow: hidden;
}
.opts th, .data-table th {
  text-align: left;
  padding: 0.7rem 1rem;
  background: var(--bg-panel);
  color: var(--amber-dim);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border-bottom: 1px solid var(--line);
}
.opts td, .data-table td {
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  color: var(--ink-soft);
  vertical-align: top;
}
.opts tr:last-child td,
.data-table tr:last-child td { border-bottom: none; }
.opts tr:hover td,
.data-table tr:hover td { background: oklch(22% 0.014 70 / 0.45); }
.opts td:first-child,
.data-table td:nth-child(2) {
  color: var(--sky);
  white-space: nowrap;
  font-weight: 500;
}
.opts td:first-child { width: 11rem; }
.data-table td:first-child { color: var(--brass); white-space: nowrap; font-size: 0.75rem; }
.data-table td:last-child { color: var(--muted); font-size: 0.75rem; word-break: break-all; }
@media (max-width: 640px) {
  .data-table { display: block; overflow-x: auto; }
}

/* Distros */
.distros {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.distro {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  width: 72px;
  padding: 0.7rem 0.4rem;
  background: var(--bg-elev);
  border: 1px solid var(--line-soft);
  border-radius: 10px;
}
.distro img { width: 28px; height: 28px; display: block; }
.distro span { font-size: 0.62rem; color: var(--muted); }

/* Donate */
.donate-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 0.85rem;
}
@media (max-width: 780px) { .donate-grid { grid-template-columns: 1fr; } }
.donate-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem 1.25rem;
  box-shadow: 0 12px 32px -24px oklch(0% 0 0 / 0.55);
}
.donate-card h3 {
  margin-bottom: 0.3rem;
}
.donate-card .lead {
  font-size: 0.74rem;
  color: var(--muted);
  margin-bottom: 0.85rem;
}
.addr {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  background: var(--bg-deep);
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 0.65rem 0.8rem;
  min-width: 0;
}
.addr code {
  flex: 1;
  min-width: 0;
  font-size: 0.7rem;
  color: var(--sky);
  word-break: break-all;
}
.net-tag {
  display: inline-block;
  margin-top: 0.55rem;
  font-size: 0.62rem;
  letter-spacing: 0.05em;
  color: var(--amber-dim);
  border: 1px solid oklch(50% 0.08 70 / 0.4);
  padding: 0.18rem 0.5rem;
  border-radius: 4px;
}
.afd-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  width: 100%;
  margin-top: 0.15rem;
  padding: 0.8rem 1rem;
  border-radius: 9px;
  background: linear-gradient(160deg, oklch(58% 0.2 300), oklch(48% 0.18 295));
  color: #fff;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: 0.9rem;
  transition: filter .15s, transform .15s;
  box-shadow: 0 10px 24px -12px oklch(50% 0.2 300 / 0.65);
}
.afd-btn:hover { color: #fff; filter: brightness(1.08); transform: translateY(-1px); }
.heart { color: #ff9bb8; }

/* Footer */
footer {
  border-top: 1px solid var(--line-soft);
  padding: 1.5rem 0 2.5rem;
  margin-top: 0.5rem;
}
.foot-in {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  font-size: 0.76rem;
  color: var(--muted);
}
.foot-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--ink-soft);
}
.foot-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
}
.foot-links a { color: var(--ink-soft); }
.foot-links a:hover { color: var(--amber); }

/* Utility */
.hint { font-size: 0.7rem; color: var(--muted); }
.hint code { color: var(--sky); font-size: 0.7rem; }
.mt-1 { margin-top: 1rem; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  border: 0;
}

/* Sample terminal: never exceed page/nav width */
.section-output {
  overflow: hidden;
}
.term {
  max-width: 100%;
  width: 100%;
}
.term-body {
  max-width: 100%;
  overflow-x: auto;
  overscroll-behavior-x: contain;
}
.term-body pre {
  display: block;
  width: max-content;
  min-width: 100%;
  max-width: none;
}